20557088

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{33811}}^1$

素因数の和:33840

約数の個数: 24

約数和(自身を含む): 42603120

約数和(自身を除く): 22046032

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 33811, 67622, 135244, 270488, 540976, 642409, 1081952, 1284818, 2569636, 5139272, 10278544, 20557088]

約数ペア:

[(1, 20557088), (2, 10278544), (4, 5139272), (8, 2569636), (16, 1284818), (19, 1081952), (32, 642409), (38, 540976), (76, 270488), (152, 135244), (304, 67622), (608, 33811)]